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The neurologist and ge ne ticist Michael Meaney argues that a stressed pregnant woman may produce offspring prone to anxiety, depression, schizophre nia, and suicide. 1 The psychiatrist Ray Blanchard warns that a mother with a large number of sons could damage subsequent sons in the womb owing to the accumulation of immune antibodies to male fetuses—causing later-born sons to become homosexual. 2 The recent pop u lar science book